# -*- coding: utf-8 -*-
import random


# 生成随机字符串
def random_char(y):
    return ''.join(random.choice('abcdefghijklmnopqrstuvwxyz') for x in range(y))


# 生成门牌号
def create_doorplate():
    prefix = random.randint(1, 99)
    suffix = random_char(2)
    return str(prefix) + "-" + suffix


if __name__ == "__main__":
    doorplate = create_doorplate()
    print("门牌号为：", doorplate)